Dijkstra's algorithm in Haskell

intro to graphs in haskell https://www.youtube.com/watch?v=RS7eIkETdIQ Dijkstra's algorithm code - https://gist.github.com/evgenii-malov/d2ae8cb2c6e77f42ff55add9474c698e ... https://www.youtube.com/watch?v=gcjL7BlrsTM